Recent publications

July 2025

Demonstration of a Programmable Node Prototype for Spatial Lane Switching and Band Switching

Abdelrahmane Moawad, R. Morro, Colja Schubert, Robert Emmerich, Johannes K. Fischer, Mohammad Behnam Shariati, A. Giorgetti, Caio Marciano Santos, Hussein Zaid

In this work, we designed a passive 2×2 MBoSDM node prototype that is capable of band and space/fiber switching. The prototype is fully controllable though an SDN agent and supports selective band switching as well as add/drop functions for the...


June 2025

Interoperable and Open Source Solution for Anchoring Augmented Reality Content to the Real World

Sylvain Buche, Ingo Feldmann, Sylvain Renault, Jérome Royan, Patrick Harns, Hugo Kreber, Jeremy Lacoche, Stephane Louis Dit Picard

This research demonstration presents an open source end-to-end solution for facilitating the anchoring of virtual content in the real world based on various platforms thanks to the interoperable specifications of the ETSI Augmented Reality...


June 2025

A Fast and Accurate EDFA Model for the Optimization of Power-Efficient SDM Subsea Transmission Systems

Aymeric Arnould, Ronald Freund, Georg Rademacher

In this paper, we present an adaptation of the extended Saleh model, using a coarse segmentation of the erbium doped fiber, to accurately include the impact of EDFA physics, with a limited complexity increase, in power efficiency predictions for...


June 2025

Beam-Steered Sub-THz Channel Measurements in D-Band in an Industrial Environment

Alper Schultze, Wilhelm Keusgen, Michael Peter, Ramez Askar, Taro Eichler, Mathis Schmieder

This paper presents results of a channel measurement campaign carried out in a production hall at a carrier frequency of 160 GHz which were analyzed with regards to beam-steering and macro-diversity gains.


June 2025

On the Impact of OFDM Waveform in ISAC Systems

Abdolvakil Fazli, Slawomir Stanczak, Zoran Utkovski, Patrick Agostini, Ehsan Tohidi

This paper highlights the differences between the standard matched filter (a correlation-based method) and symbol-domain processing, providing insights into how pulse shaping affects sensing performance in multicarrier schemes like OFDM....


June 2025

Conflict Mitigation Approach for O-RAN xApps

Hammad Zafar, Slawomir Stanczak, Martin Kasparick, Ehsan Tohidi

Open Radio Access Network (O-RAN) enables interoperability by allowing operators to choose equipment from multiple vendors. However, conflicting objectives between xApps, such as energy efficiency and load balancing, require coordination, raising...


June 2025

Angle-Resolved Channel Measurements at 28 and 160 GHz in Open Office Industrial-Like Environment

Mathis Schmieder, Wilhelm Keusgen, Michael Peter, Ramez Askar, Alper Schultze, Niclas Woodstock Kullig

This paper investigates angle-resolved channel measurements at 28 and 160 GHz within an industrial-like open office environment. It presents findings on power metrics, delay, and angular characteristics based on 135 measurement positions. Results...


June 2025

N-Heterocyclic Olefins of Pyrazole and Indazole

Bloin Zhu, Eike Hübner, Felix Lederle, Andreas Schmidt, Rouven Woyciechowski

Deprotonation of 3-methylpyrazolium and 3-methylindazolium salts yielded N-heterocyclic olefins (NHOs), which reacted with isocyanates, halogens, and carbon disulfide. Calculated proton affinities are 261 kcal/mol (indazole NHOs) and 272 kcal/mol...


June 2025

Datasets for QoT estimation in SDM networks

Hassan Akbari, R. Freund, Johannes K. Fischer, Mohammad Behnam Shariati, Pooyan Safari, Juan L. Morrone

The advancement of machine learning (ML)-assisted solutions for monitoring and performance analysis in space-division multiplexing (SDM) networks has been significantly constrained by a shortage of large, well-structured, and publicly available...


June 2025

High-Capacity THz Wireless Transmission Supporting Future 6G Optical Networks

Colja Schubert, Martin Schell, Ronald Freund, Robert Elschner, Simon Nellen, Robert Kohlhaas, Oliver Stiewe, Milan Deumer, Thomas Merkle, Axel Tessmann, In-Ho Baek, Frederik Bart, Fred Meier, Andreas Maaßen, Kallyan Das, Simon Schütze, Markus Rösch

The paper reviews recent developments in high-capacity THz wireless transmission, focusing on point-to-point links in the lower THz frequency range around 300 GHz. Available technologies and challenges for integration into future 6G optical...


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